1  /* PR tree-optimization/33136 */
       2  /* { dg-do run } */
       3  /* { dg-options "-O2" } */
       4  
       5  extern void abort (void);
       6  
       7  struct S
       8  {
       9    struct S *a;
      10    int b;
      11    float f;
      12  };
      13  
      14  static struct S s;
      15  
      16  static int *
      17  __attribute__((noinline, const))
      18  foo (void)
      19  {
      20    return &s.b;
      21  }
      22  
      23  float
      24  __attribute__((noinline))
      25  bar (float *f)
      26  {
      27    s.f = 1.0;
      28    *f = 4.0;
      29    return s.f;
      30  }
      31  
      32  int
      33  __attribute__((noinline))
      34  baz (int *x)
      35  {
      36    s.b = 1;
      37    *x = 4;
      38    return s.b;
      39  }
      40  
      41  int
      42  t (void)
      43  {
      44    float f = 8.0;
      45    return bar (&f) + baz (foo ());
      46  }
      47  
      48  int
      49  main (void)
      50  {
      51    if (t () != 5)
      52      abort ();
      53    return 0;
      54  }